<|begin_of_text|><|start_header_id|>system<|end_header_id|>Assess the overall contributions of activity level to emissions change.<|eot_id|><|start_header_id|>user<|end_header_id|>Sector: Transport; Activity level change: -4%.<|eot_id|><|start_header_id|>assistant<|end_header_id|>The activity level change contributed 4% reduction in emissions in the Transport sector.<|eot_id|>